In & Out
- Record with built-in mic, line in, USB or Lightningfootnote 1
- Optional recording monitoring (with headphones connected)
- Recording input gain controlfootnote 1footnote 3
- Transfer audio to, and share from your device via USB, iCloud, Dropbox or other services
- Import tracks from your iPod music libraryfootnote 2
- Import from Wave .wav, Core Audio .caf, .aiff, MPEG .mp3, .m4a and .aac files
- Export to uncompressed (.wav) or compressed (.aac/.m4a) files
- Export multi-track projects as a .zip file archive of individual track audio files (“stems”)footnote 3
- Exchange audio with other iOS apps via AudioCopy/AudioPastefootnote 3 and “Open In…”
- Drag and Drop audio in and out between Hokusai and other appsfootnote 4
Mix & Merge
- Convert between mono & stereo
- Split & merge stereo tracks to edit left/right channels separately
- Mix multiple tracks down to one
- Reorder tracks within a project
- Select and edit across multiple tracks at oncefootnote 3
- Set volume and panning for each trackfootnote 3
Filters & FX
Many effects support live preview: instantly hear changes in settings.
Save your favourite settings to reuse laterfootnote 3
Basic filters:
- Fade in/out
- Gain, Normalise
- Reverse
- Silence
- Generate white noise
- Synthesise sine/square/triangle/sawtooth waves
Additional filters and tools:footnote 3
- Autopan
- Bit Crusher
- Chorus
- Click Track
- DC Offset
- Depop/Seam Welder
- Digital Echo
- Expand/Shrink Selection
- Fix Signed/Unsigned
- Flanger
- Frequency Boost
- Frequency Filter
- Fuzz Box
- Gain Compressor
- Gramophone FX
- Hard Limiter
- Invert Signal
- Loop and Soften Loop
- Mid Channel Isolation/Reduction
- Mid/Side Decoding
- Modulation (AM & FM)
- Monster Voice FX
- Noise Gate
- Noise Reduction
- Peak Limiter
- Phaser
- Pitch Bend
- Pitch Shift (with or without time independence)
- Resonance
- Ripple Tracks
- Reverb
- Ripple Tracks
- Stereo Spatialise
- Synthesise Chaotic Grains
- Time Stretch (with or without pitch independence)
- Vocal Levels Smoother
1. Where supported by your device. USB devices require the use of Apple Camera Connection Kit or Lightning to USB Camera Adapter. ←
2. Copy-protected tracks cannot be imported. Tracks must be downloaded to your device, not “cloud” tracks. ←
3. Requires in-app purchase. ←
4. Drag and Drop requires iOS 11 or later. Apple currently only allows Drag and Drop between apps on iPad. ←